In predictive analytics, what is the role of a 'training dataset'?
- A set of data used for reporting purposes
- A subset of data used to validate the model
- Data used to test the model's accuracy
- The initial dataset used to build and train the model
The training dataset is the initial dataset used to build and train a predictive model. It is used to teach the model patterns and relationships within the data, allowing it to make accurate predictions on new, unseen data.
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